Orthodontic appliance



FIG. 1 is a perspective view of an orthodontic appliance showing my new design, which consists of a top and a bottom part;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image;

FIG. 4 is a rear elevational view thereof, as seen from line 4--4 of FIG. 3;

FIG. 5 is a top plan view of the top part thereof, as seen from line 5--5 of FIG. 3;

FIG. 6 is a top plan view of the bottom part thereof, as seen from line 6--6 of FIG. 3;

FIG. 7 is a bottom plan view of the top part thereof, as seen from line 7--7 of FIG. 3; and

FIG. 8 is a bottom plan view of the bottom part thereof, as seen from line 8--8 of FIG. 3. 

The ornamental design for an orthodontic appliance, as shown and described. 